Remove obsolete elements kind check for array literals.

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index 66b040743746e500ef935bc00f12153124578945..f9adf49b8ff2920b22553400f554f963d39fa6ab 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -6050,26 +6050,6 @@ void HOptimizedGraphBuilder::VisitArrayLiteral(ArrayLiteral* expr) {
     Handle<FixedArray> constants = isolate()->factory()->empty_fixed_array();
     int literal_index = expr->literal_index();
 
-    // TODO(mstarzinger): The following check and deopt is actually obsolete
-    // but test cases for the tick processor fails because profile differs.
-
-    // Deopt if the array literal boilerplate ElementsKind is of a type
-    // different than the expected one. The check isn't necessary if the
-    // boilerplate has already been converted to TERMINAL_FAST_ELEMENTS_KIND.
-    if (CanTransitionToMoreGeneralFastElementsKind(
-            boilerplate_elements_kind, true)) {
-      IfBuilder builder(this);
-      HValue* boilerplate = AddInstruction(new(zone())
-          HConstant(original_boilerplate_object));
-      HValue* elements_kind = AddInstruction(new(zone())
-          HElementsKind(boilerplate));
-      HValue* expected_kind = AddInstruction(new(zone())
-          HConstant(boilerplate_elements_kind));
-      builder.IfCompare(elements_kind, expected_kind, Token::EQ);
-      builder.Then();
-      builder.ElseDeopt();
-    }
-
     AddInstruction(new(zone()) HPushArgument(AddInstruction(
         new(zone()) HConstant(literals))));
     AddInstruction(new(zone()) HPushArgument(AddInstruction(